Depo-Provera is a prescription and the injection is obtained from your healthcare provider every 11 to 13 weeks. The healthcare provider will inject the synthetic hormone in the upper arm or in the buttocks. The initial injection is given within the first five days of your menstrual bleeding.
A reason your knees may be getting sore from deadlifts is because your form is not quite right. If your knees drift too far forward when deadlifting, this turns the exercise into more of a knee-dominant one, notes strength coach Mike Robertson.
Most people believe that lactic acid causes muscle soreness because that was the findings of scientists many years ago. Lactic acid is the culprit for immediate muscle soreness. When you are lifting weights, for example, the muscle you are working will burn, and it will eventually feel fatigued.